:root {
  --ink-950: #050b13;
  --ink-900: #07111f;
  --ink-850: #0a1727;
  --ink-800: #0d1b2b;
  --ink-700: #14283b;
  --line: rgba(167, 200, 219, 0.17);
  --line-strong: rgba(167, 200, 219, 0.34);
  --paper: #e8f2f6;
  --muted: #8fa7b5;
  --muted-light: #b4c7d1;
  --cyan: #6de7f2;
  --cyan-strong: #31d6e7;
  --cyan-soft: rgba(109, 231, 242, 0.12);
  --orange: #ff8d5b;
  --container: 1180px;
  --header-height: 76px;
  --display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  --body: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  background: var(--ink-950);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.dialog-open {
  overflow: hidden;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

::selection {
  background: var(--cyan);
  color: var(--ink-950);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--cyan);
  color: var(--ink-950);
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.site-shell {
  position: relative;
  overflow: hidden;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition:
    background-color 220ms ease,
    border-color 220ms ease,
    backdrop-filter 220ms ease;
}

.site-header.is-scrolled {
  background: rgba(5, 11, 19, 0.84);
  border-bottom-color: var(--line);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  width: fit-content;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--cyan);
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  content: "";
  border: 1px solid currentColor;
  transform: rotate(45deg);
}

.brand-mark::before {
  inset: 4px;
}

.brand-mark::after {
  inset: 9px;
  border-color: color-mix(in srgb, var(--cyan) 45%, transparent);
}

.brand-mark span {
  position: relative;
  z-index: 1;
  font-family: var(--display);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-name {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  position: relative;
  color: var(--muted-light);
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 160ms ease;
}

.nav-links a:not(.nav-github)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--paper);
}

.nav-links a:not(.nav-github):hover::after,
.nav-links a:not(.nav-github):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px 10px 16px;
  border: 1px solid var(--line-strong);
}

.nav-github span {
  color: var(--cyan);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 12px 10px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: var(--paper);
  transition: transform 160ms ease;
}

.hero {
  position: relative;
  display: flex;
  min-height: 850px;
  align-items: center;
  padding: calc(var(--header-height) + 104px) 0 108px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(5, 11, 19, 0.99) 0%, rgba(5, 11, 19, 0.91) 47%, rgba(5, 11, 19, 0.55) 100%),
    radial-gradient(circle at 75% 38%, rgba(24, 92, 117, 0.2), transparent 34%),
    var(--ink-950);
}

.hero::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(50% - 1px);
  width: 1px;
  content: "";
  background: linear-gradient(transparent 10%, var(--line) 40%, transparent 90%);
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.hero-stars {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image:
    radial-gradient(circle at 12% 22%, #dffbff 0 1px, transparent 1.5px),
    radial-gradient(circle at 68% 12%, #dffbff 0 1px, transparent 1.5px),
    radial-gradient(circle at 88% 27%, #dffbff 0 1px, transparent 1.5px),
    radial-gradient(circle at 78% 73%, #dffbff 0 1px, transparent 1.5px),
    radial-gradient(circle at 39% 81%, #dffbff 0 1px, transparent 1.5px),
    radial-gradient(circle at 96% 90%, #dffbff 0 1px, transparent 1.5px);
  background-size: 310px 280px, 410px 360px, 280px 330px, 500px 470px, 370px 390px, 260px 300px;
}

.orbit-scene {
  position: absolute;
  top: 50%;
  right: -120px;
  width: 780px;
  height: 780px;
  transform: translateY(-50%);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(109, 231, 242, 0.13);
  border-radius: 50%;
}

.orbit-one {
  inset: 40px;
}

.orbit-two {
  inset: 135px;
  border-color: rgba(109, 231, 242, 0.2);
}

.orbit-one::before,
.orbit-two::before {
  position: absolute;
  width: 7px;
  height: 7px;
  content: "";
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink-950);
  box-shadow: 0 0 18px rgba(109, 231, 242, 0.7);
}

.orbit-one::before {
  top: 18%;
  left: 11%;
}

.orbit-two::before {
  right: 5%;
  bottom: 29%;
}

.planet {
  position: absolute;
  inset: 225px;
  border: 1px solid rgba(109, 231, 242, 0.24);
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 29%, rgba(139, 231, 240, 0.34), transparent 12%),
    radial-gradient(circle at 62% 68%, rgba(15, 53, 68, 0.85), transparent 35%),
    linear-gradient(145deg, #16384a, #081521 62%, #03080e);
  box-shadow:
    -20px -8px 60px rgba(70, 201, 218, 0.15),
    inset -35px -25px 45px rgba(0, 0, 0, 0.55);
}

.planet::after {
  position: absolute;
  top: 16%;
  right: -21%;
  bottom: 16%;
  left: -21%;
  content: "";
  border: 1px solid rgba(109, 231, 242, 0.18);
  border-radius: 50%;
  transform: rotate(-18deg) scaleY(0.26);
}

.moon {
  position: absolute;
  top: 177px;
  right: 141px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #a5c1cb;
  box-shadow: -4px -3px 14px rgba(210, 247, 250, 0.25);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(430px, 0.97fr);
  gap: 76px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--cyan);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.64);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.hero h1 {
  max-width: 700px;
  margin: 34px 0 26px;
  font-family: var(--display);
  font-size: clamp(64px, 6.8vw, 108px);
  font-stretch: condensed;
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.88;
  text-transform: uppercase;
}

.hero h1 span {
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  text-shadow: 0 0 42px rgba(109, 231, 242, 0.08);
}

.hero-lede {
  max-width: 610px;
  margin: 0;
  color: var(--muted-light);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.75;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 13px 18px;
  border: 1px solid transparent;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--cyan);
  color: var(--ink-950);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #a0f5fa;
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(7, 17, 31, 0.58);
  color: var(--paper);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

.hero-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 25px;
  padding: 0;
  margin: 45px 0 0;
  color: var(--muted);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  list-style: none;
  text-transform: uppercase;
}

.hero-signals li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-signals span {
  color: var(--cyan);
}

.answer-preview {
  position: relative;
  margin-top: 35px;
}

.answer-preview::before {
  position: absolute;
  top: -23px;
  right: -22px;
  width: 76px;
  height: 58px;
  content: "";
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  opacity: 0.56;
}

.preview-frame {
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(rgba(9, 23, 38, 0.94), rgba(5, 13, 22, 0.97)),
    var(--ink-900);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px);
}

.preview-topbar {
  display: flex;
  min-height: 49px;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--display);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.preview-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.preview-glyph {
  width: 9px;
  height: 9px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.live-badge {
  color: var(--cyan);
}

.live-badge::before {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 7px;
  content: "";
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.question-block {
  padding: 21px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 27, 43, 0.5);
}

.message-label {
  color: var(--cyan);
  font-family: var(--display);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.question-block p {
  margin: 5px 0 0;
  color: #d7e5ea;
  font-size: 14px;
}

.answer-block {
  padding: 23px 24px 18px;
}

.answer-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.verified-label {
  color: var(--muted);
  font-family: var(--display);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.verified-label span {
  display: inline-grid;
  width: 14px;
  height: 14px;
  margin-right: 5px;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 8px;
}

.answer-summary {
  margin: 12px 0 18px;
  color: var(--muted-light);
  font-size: 13px;
  line-height: 1.65;
}

.answer-summary strong {
  color: var(--paper);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ship-card {
  position: relative;
  display: grid;
  min-height: 135px;
  align-content: space-between;
  padding: 16px;
}

.ship-card + .ship-card {
  border-left: 1px solid var(--line);
}

.ship-card.is-leading {
  background: linear-gradient(135deg, rgba(109, 231, 242, 0.09), transparent);
}

.ship-card.is-leading::after {
  position: absolute;
  top: -1px;
  right: -1px;
  width: 24px;
  height: 24px;
  content: "";
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
}

.ship-index {
  color: var(--muted);
  font-family: var(--display);
  font-size: 8px;
  font-weight: 800;
}

.ship-name {
  color: var(--paper);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.ship-card strong {
  font-family: var(--display);
  font-size: 36px;
  line-height: 1;
}

.ship-card small {
  color: var(--cyan);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.evidence-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 13px;
  align-items: center;
  padding-top: 17px;
  color: var(--muted);
  font-family: var(--display);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.evidence-row strong {
  color: var(--paper);
}

.evidence-row button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--cyan);
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}

.evidence-row button:hover,
.evidence-row button:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

.preview-note {
  margin: 14px 0 0;
  color: #647d8c;
  font-size: 10px;
  line-height: 1.45;
}

.preview-coordinate {
  margin: 12px 2px 0;
  color: #537080;
  font-family: var(--display);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-align: right;
}

.section {
  position: relative;
  padding: 130px 0;
}

.section-heading {
  margin-bottom: 68px;
}

.split-heading,
.architecture-heading,
.roadmap-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.62fr);
  gap: 110px;
  align-items: end;
}

.section h2 {
  margin: 17px 0 0;
  font-family: var(--display);
  font-size: clamp(43px, 5vw, 69px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.98;
  text-transform: uppercase;
}

.section-heading > p,
.experience-copy > p:not(.section-kicker),
.closing-content > p:not(.section-kicker) {
  margin: 0;
  color: var(--muted-light);
  font-size: 17px;
  line-height: 1.75;
}

.mission-section {
  background:
    linear-gradient(180deg, rgba(14, 35, 53, 0.37), transparent 28%),
    var(--ink-900);
}

.mission-section::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8%;
  width: 1px;
  content: "";
  background: var(--line);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.mission-card {
  position: relative;
  min-height: 390px;
  padding: 29px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.35);
  transition:
    background-color 180ms ease,
    border-color 180ms ease;
}

.mission-card:hover {
  z-index: 1;
  border-color: rgba(109, 231, 242, 0.34);
  background: rgba(13, 35, 52, 0.58);
}

.card-number,
.principle-code {
  color: var(--muted);
  font-family: var(--display);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.card-symbol {
  position: relative;
  width: 86px;
  height: 86px;
  margin: 50px 0 49px;
  color: var(--cyan);
}

.symbol-crosshair {
  border: 1px solid rgba(109, 231, 242, 0.38);
  border-radius: 50%;
}

.symbol-crosshair::before {
  position: absolute;
  inset: 21px;
  content: "";
  border: 1px solid var(--cyan);
  border-radius: 50%;
}

.symbol-crosshair::after {
  position: absolute;
  top: 50%;
  right: -12px;
  left: -12px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--cyan) 0 20px, transparent 20px 77px, var(--cyan) 77px);
}

.symbol-evidence {
  background:
    linear-gradient(var(--cyan), var(--cyan)) 0 0 / 20px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 0 0 / 1px 20px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 100% 0 / 20px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 100% 0 / 1px 20px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 0 100% / 20px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 0 100% / 1px 20px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 100% 100% / 20px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 100% 100% / 1px 20px no-repeat;
}

.symbol-evidence::before,
.symbol-evidence::after {
  position: absolute;
  top: 28px;
  left: 24px;
  width: 38px;
  height: 1px;
  content: "";
  background: var(--cyan);
  box-shadow: 0 14px 0 rgba(109, 231, 242, 0.62), 0 28px 0 rgba(109, 231, 242, 0.31);
}

.symbol-evidence::after {
  top: 20px;
  left: 15px;
  width: 1px;
  height: 46px;
  box-shadow: none;
}

.symbol-language {
  display: grid;
  place-items: center;
  border: 1px solid rgba(109, 231, 242, 0.4);
  font-family: Georgia, serif;
  font-size: 23px;
}

.symbol-language::before,
.symbol-language::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(109, 231, 242, 0.18);
}

.symbol-language::before {
  inset: 7px -7px;
}

.symbol-language::after {
  inset: -7px 7px;
}

.mission-card h3,
.principles-grid h3,
.roadmap-item h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}

.mission-card p,
.principles-grid p,
.roadmap-item p {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.experience-section {
  overflow: hidden;
  background: var(--ink-950);
}

.experience-section::after {
  position: absolute;
  top: -210px;
  left: -310px;
  width: 680px;
  height: 680px;
  content: "";
  border: 1px solid rgba(109, 231, 242, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 120px rgba(40, 166, 186, 0.06);
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(500px, 1.22fr);
  gap: 120px;
  align-items: start;
}

.experience-copy {
  position: sticky;
  top: calc(var(--header-height) + 50px);
}

.experience-copy > p:not(.section-kicker) {
  margin-top: 29px;
}

.text-link {
  display: inline-flex;
  gap: 28px;
  align-items: center;
  padding-bottom: 7px;
  margin-top: 27px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color 160ms ease;
}

.text-link span {
  color: var(--cyan);
}

.text-link:hover,
.text-link:focus-visible {
  border-color: var(--cyan);
}

.process-list {
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 19px;
  min-height: 175px;
  align-items: start;
  padding: 29px 0;
  border-bottom: 1px solid var(--line);
}

.process-number {
  color: var(--cyan);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.process-list h3 {
  margin: -4px 0 0;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}

.process-list p {
  max-width: 500px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.process-status {
  padding: 4px 7px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--display);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.architecture-section {
  background:
    linear-gradient(rgba(8, 20, 33, 0.88), rgba(8, 20, 33, 0.88)),
    repeating-linear-gradient(0deg, transparent 0 59px, rgba(138, 181, 202, 0.06) 59px 60px),
    repeating-linear-gradient(90deg, transparent 0 59px, rgba(138, 181, 202, 0.06) 59px 60px),
    var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.architecture-map {
  display: grid;
  grid-template-columns: 1fr 52px 1fr 52px 1fr 52px 1fr;
  align-items: stretch;
  margin-bottom: 77px;
}

.architecture-node {
  position: relative;
  display: flex;
  min-height: 190px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 23px;
  border: 1px solid var(--line-strong);
  background: rgba(5, 11, 19, 0.72);
}

.architecture-node::before {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 21px;
  height: 21px;
  content: "";
  border-top: 1px solid var(--cyan);
  border-left: 1px solid var(--cyan);
}

.architecture-node::after {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 8px;
  height: 8px;
  content: "";
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.node-label {
  position: absolute;
  top: 19px;
  left: 22px;
  color: var(--muted);
  font-family: var(--display);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.architecture-node strong {
  font-family: var(--display);
  font-size: 17px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.architecture-node small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
}

.architecture-connector {
  position: relative;
}

.architecture-connector::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--line-strong);
}

.architecture-connector span {
  position: absolute;
  top: calc(50% - 3px);
  left: calc(50% - 3px);
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  background: var(--ink-900);
  transform: rotate(45deg);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.principles-grid article {
  min-height: 230px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles-grid h3 {
  margin-top: 50px;
  font-size: 17px;
}

.roadmap-section {
  background: var(--ink-950);
}

.roadmap-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
}

.roadmap-item {
  position: relative;
  min-height: 475px;
  padding: 43px 34px 0 0;
}

.roadmap-item + .roadmap-item {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.roadmap-marker {
  position: absolute;
  top: -7px;
  left: -7px;
  display: grid;
  width: 13px;
  height: 13px;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--ink-950);
  transform: rotate(45deg);
}

.roadmap-item:first-child .roadmap-marker {
  left: 0;
}

.roadmap-marker span {
  width: 3px;
  height: 3px;
  background: var(--muted);
}

.roadmap-item.is-current .roadmap-marker {
  border-color: var(--cyan);
  box-shadow: 0 0 16px rgba(109, 231, 242, 0.28);
}

.roadmap-item.is-current .roadmap-marker span {
  background: var(--cyan);
}

.roadmap-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  margin-bottom: 55px;
  border-bottom: 1px solid var(--line);
  font-family: var(--display);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.roadmap-meta span {
  color: var(--cyan);
}

.roadmap-meta strong {
  color: var(--muted);
  font-weight: 800;
}

.roadmap-item h3 {
  font-size: 24px;
}

.roadmap-item ul {
  padding: 0;
  margin: 31px 0 0;
  color: var(--muted-light);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  list-style: none;
  text-transform: uppercase;
}

.roadmap-item li {
  position: relative;
  padding: 9px 0 9px 17px;
  border-bottom: 1px solid var(--line);
}

.roadmap-item li::before {
  position: absolute;
  top: 16px;
  left: 2px;
  width: 4px;
  height: 4px;
  content: "";
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.closing-section {
  min-height: 660px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 110%, rgba(28, 126, 149, 0.28), transparent 42%),
    linear-gradient(180deg, var(--ink-900), var(--ink-950));
  text-align: center;
}

.closing-orbit {
  position: absolute;
  bottom: -580px;
  left: 50%;
  width: 1080px;
  height: 1080px;
  border: 1px solid rgba(109, 231, 242, 0.18);
  border-radius: 50%;
  box-shadow:
    0 0 90px rgba(38, 160, 180, 0.08),
    inset 0 0 100px rgba(38, 160, 180, 0.05);
  transform: translateX(-50%);
}

.closing-orbit::before,
.closing-orbit::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(109, 231, 242, 0.1);
  border-radius: 50%;
}

.closing-orbit::before {
  inset: 90px;
}

.closing-orbit::after {
  inset: 180px;
}

.closing-content {
  position: relative;
  z-index: 1;
}

.closing-content h2 {
  font-size: clamp(55px, 7vw, 90px);
}

.closing-content > p:not(.section-kicker) {
  max-width: 610px;
  margin: 28px auto 0;
}

.closing-actions {
  justify-content: center;
}

.site-footer {
  padding: 74px 0 25px;
  border-top: 1px solid var(--line);
  background: #03080e;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding-bottom: 61px;
}

.footer-brand p {
  max-width: 420px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 45px;
}

.footer-links div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
}

.footer-links strong {
  margin-bottom: 11px;
  color: var(--paper);
  font-family: var(--display);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-links a {
  color: var(--muted);
  font-size: 12px;
  transition: color 160ms ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: #607886;
  font-family: var(--display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-bottom a {
  color: var(--muted-light);
}

.evidence-dialog[hidden] {
  display: none;
}

.evidence-dialog {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: 24px;
}

.dialog-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(1, 5, 9, 0.83);
  cursor: default;
  backdrop-filter: blur(10px);
}

.dialog-panel {
  position: relative;
  width: min(100%, 600px);
  padding: 29px;
  border: 1px solid var(--line-strong);
  background: var(--ink-850);
  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.6);
}

.dialog-panel::before,
.dialog-panel::after {
  position: absolute;
  width: 28px;
  height: 28px;
  content: "";
}

.dialog-panel::before {
  top: -1px;
  left: -1px;
  border-top: 1px solid var(--cyan);
  border-left: 1px solid var(--cyan);
}

.dialog-panel::after {
  right: -1px;
  bottom: -1px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
}

.dialog-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 21px;
  border-bottom: 1px solid var(--line);
}

.dialog-header h2 {
  margin: 6px 0 0;
  font-family: var(--display);
  font-size: 33px;
  line-height: 1;
  text-transform: uppercase;
}

.dialog-close {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
}

.dialog-close:hover,
.dialog-close:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.dialog-panel > p {
  color: var(--muted-light);
  font-size: 14px;
}

.dialog-source {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 17px 0;
  border-top: 1px solid var(--line);
}

.dialog-source > span {
  color: var(--cyan);
  font-family: var(--display);
  font-size: 9px;
  font-weight: 800;
}

.dialog-source div {
  display: flex;
  flex-direction: column;
}

.dialog-source strong {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dialog-source small {
  color: var(--muted);
  font-size: 10px;
}

.dialog-source b {
  color: var(--muted);
  font-family: var(--display);
  font-size: 8px;
  letter-spacing: 0.1em;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 650ms ease,
    transform 650ms ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

@media (max-width: 1100px) {
  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(390px, 0.8fr);
    gap: 44px;
  }

  .hero h1 {
    font-size: clamp(60px, 8vw, 86px);
  }

  .orbit-scene {
    right: -260px;
  }

  .experience-grid {
    gap: 70px;
  }

  .architecture-map {
    grid-template-columns: 1fr 36px 1fr;
    row-gap: 36px;
  }

  .architecture-connector:nth-of-type(4) {
    display: none;
  }

  .architecture-node:nth-of-type(5) {
    grid-column: 3;
    grid-row: 3;
  }

  .architecture-connector:nth-of-type(6) {
    grid-column: 2;
    grid-row: 3;
  }

  .architecture-node:nth-of-type(7) {
    grid-column: 1;
    grid-row: 3;
  }

  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 850px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle[aria-expanded="true"] span:not(.sr-only):first-of-type {
    transform: translateY(3px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:not(.sr-only):last-of-type {
    transform: translateY(-3px) rotate(-45deg);
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: 10px 18px 22px;
    border-bottom: 1px solid var(--line-strong);
    background: rgba(5, 11, 19, 0.98);
  }

  .nav-links.is-open {
    display: flex;
    flex-direction: column;
  }

  .nav-links a {
    padding: 15px 4px;
    border-bottom: 1px solid var(--line);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-github {
    justify-content: space-between;
    margin-top: 10px;
    padding-inline: 12px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 76px);
  }

  .hero::before {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 680px;
  }

  .answer-preview {
    width: min(100%, 570px);
  }

  .orbit-scene {
    top: 28%;
    right: -360px;
    opacity: 0.65;
  }

  .section {
    padding: 95px 0;
  }

  .split-heading,
  .architecture-heading,
  .roadmap-heading {
    grid-template-columns: 1fr;
    gap: 29px;
  }

  .section-heading > p {
    max-width: 650px;
  }

  .mission-grid {
    grid-template-columns: 1fr;
  }

  .mission-card {
    min-height: 330px;
  }

  .card-symbol {
    margin: 36px 0;
  }

  .experience-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .experience-copy {
    position: static;
  }

  .process-list li {
    min-height: 150px;
  }

  .roadmap-track {
    grid-template-columns: 1fr;
    border-top: 0;
    border-left: 1px solid var(--line-strong);
  }

  .roadmap-item,
  .roadmap-item + .roadmap-item {
    min-height: auto;
    padding: 5px 0 67px 35px;
    border-left: 0;
  }

  .roadmap-marker,
  .roadmap-item:first-child .roadmap-marker {
    top: 0;
    left: -7px;
  }

  .roadmap-meta {
    margin-bottom: 34px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 55px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand-name {
    font-size: 12px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 54px);
    padding-bottom: 75px;
  }

  .eyebrow {
    font-size: 9px;
  }

  .hero h1 {
    margin-top: 27px;
    font-size: clamp(51px, 17vw, 75px);
    line-height: 0.9;
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-actions,
  .closing-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    justify-content: space-between;
  }

  .hero-signals {
    flex-direction: column;
  }

  .answer-preview {
    margin-top: 20px;
  }

  .preview-frame {
    margin-inline: -2px;
  }

  .question-block,
  .answer-block {
    padding-inline: 17px;
  }

  .evidence-row {
    grid-template-columns: 1fr auto;
  }

  .evidence-row button {
    grid-column: 1 / -1;
    justify-content: space-between;
  }

  .section {
    padding: 78px 0;
  }

  .section h2 {
    font-size: clamp(38px, 13vw, 52px);
  }

  .section-heading {
    margin-bottom: 47px;
  }

  .section-heading > p,
  .experience-copy > p:not(.section-kicker),
  .closing-content > p:not(.section-kicker) {
    font-size: 15px;
  }

  .mission-card {
    min-height: auto;
    padding: 23px 22px 29px;
  }

  .process-list li {
    grid-template-columns: 32px 1fr;
  }

  .process-status {
    display: none;
  }

  .process-list h3 {
    font-size: 21px;
  }

  .architecture-map {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }

  .architecture-connector {
    display: block;
    width: 1px;
    height: 30px;
    margin: -30px auto;
  }

  .architecture-connector::before {
    top: 0;
    bottom: 0;
    left: 0;
    width: 1px;
    height: auto;
  }

  .architecture-connector span {
    top: calc(50% - 3px);
    left: -3px;
  }

  .architecture-connector:nth-of-type(4) {
    display: block;
  }

  .architecture-node {
    min-height: 155px;
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }

  .principles-grid article {
    min-height: 200px;
  }

  .roadmap-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .closing-section {
    min-height: 590px;
  }

  .closing-content h2 {
    font-size: clamp(46px, 15vw, 65px);
  }

  .footer-links {
    gap: 25px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
  }

  .evidence-dialog {
    padding: 12px;
  }

  .dialog-panel {
    padding: 22px 18px;
  }

  .dialog-source {
    grid-template-columns: auto 1fr;
  }

  .dialog-source b {
    grid-column: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (forced-colors: active) {
  .hero h1 span {
    color: CanvasText;
    -webkit-text-stroke: 0;
  }

  .status-dot,
  .live-badge::before,
  .roadmap-marker span {
    background: CanvasText;
  }
}